Asymptomatic from all studies
##
## Random-Effects Model (k = 32; tau^2 estimator: EB)
##
## tau^2 (estimated amount of total heterogeneity): 0.009455 (SE = 0.003782)
## tau (square root of estimated tau^2 value): 0.097235
## I^2 (total heterogeneity / total variability): 90.25%
## H^2 (total variability / sampling variability): 10.25
##
## Test for Heterogeneity:
## Q(df = 31) = 395.831093, p-val < .000001
##
## Model Results:
##
## estimate se zval pval ci.lb ci.ub
## 0.177613 0.021571 8.233893 <.000001 0.135335 0.219892 ***
##
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## estimate ci.lb ci.ub
## tau^2 0.0095 0.0044 0.0235
## tau 0.0972 0.0664 0.1534
## I^2(%) 90.2450 81.1941 95.8395
## H^2 10.2512 5.3175 24.0355


## [1] 29
## [1] 433 656 73 314 189 239 1675 2625 1656 2365 2668 2381 1223 1871 2302 1304 2099 2585 2303 1117 1753
## [22] 1749 1050 2098 1934 2062 1068 2569 1855


Asymptomatic from subset of studies
##
## Random-Effects Model (k = 14; tau^2 estimator: EB)
##
## tau^2 (estimated amount of total heterogeneity): 0.013474 (SE = 0.007218)
## tau (square root of estimated tau^2 value): 0.116076
## I^2 (total heterogeneity / total variability): 90.94%
## H^2 (total variability / sampling variability): 11.03
##
## Test for Heterogeneity:
## Q(df = 13) = 108.172859, p-val < .000001
##
## Model Results:
##
## estimate se zval pval ci.lb ci.ub
## 0.210880 0.036255 5.816543 <.000001 0.139821 0.281939 ***
##
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## estimate ci.lb ci.ub
## tau^2 0.0135 0.0046 0.0570
## tau 0.1161 0.0679 0.2387
## I^2(%) 90.9372 77.4431 97.6983
## H^2 11.0341 4.4332 43.4469


## [1] 14
## [1] 433 656 73 189 239 1675 2365 2099 2303 1117 1753 2098 1934 2569


Severe from all studies
## Warning in rma(yi, vi, data = ies_sev, method = "EB", weighted = TRUE): Studies with NAs omitted from model
## fitting.
##
## Random-Effects Model (k = 13; tau^2 estimator: EB)
##
## tau^2 (estimated amount of total heterogeneity): 0.001325 (SE = 0.000697)
## tau (square root of estimated tau^2 value): 0.036403
## I^2 (total heterogeneity / total variability): 91.30%
## H^2 (total variability / sampling variability): 11.49
##
## Test for Heterogeneity:
## Q(df = 12) = 55.881897, p-val < .000001
##
## Model Results:
##
## estimate se zval pval ci.lb ci.ub
## 0.037624 0.011458 3.283644 0.001025 0.015167 0.060082 **
##
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## estimate ci.lb ci.ub
## tau^2 0.0013 0.0003 0.0049
## tau 0.0364 0.0184 0.0698
## I^2(%) 91.2986 72.8281 97.4728
## H^2 11.4924 3.6803 39.5692


## [1] 13
## [1] 433 656 314 1656 1871 1304 2585 2303 1117 1753 1068 2569 1855

